*{
    margin: 0;
    padding: 0;
}
.title{
    background-color: #18bebe;
    height: 75px;
    line-height: 75px;
    text-align: center;
}
img{
    display:inline-block;
    vertical-align: middle;
}
.head{
    width: 1000px;
    height: 40px;
    line-height: 40px;
    margin-left: auto;margin-right: auto;
}
a{
    text-decoration: none;
    color:#515151;
}
li{
    list-style: none;
    color: #515151;;
}
.left{
    width: 190px;
    float: left;
    color: #515151;
    margin-left: 10px;
}
.center{
    float: left;
    width: 600px;
    text-align: center;
}
.center li{
    float: left;
    margin-left: 100px;
}
.right{
    width: 190px;
    float: right;
    text-align: right;
    color: #515151;
    margin-right: 10px;
}
.main{
    position: relative;
    width: 1000px;
    margin-top: 20px;
    margin-right: auto;
    margin-left: auto;
}
iframe{
    position: absolute;
    width: 788px;
    height: 730px;
    top: 0;
    right: 0;
    margin-left: 10px;
    border: 1px solid #EAEAEA;
    box-sizing: border-box;
    background-color: #F0F0F0;
}
.main-left{
    width: 200px;
    height: 730px;
    border: 1px solid #dfdfdf;
    background-color: #efefef;
}
.main-left>a{
    display: inline-block;
    width: 195px;
    line-height: 60px;
    border: 1px solid #dfdfdf;
    border-left: 4px solid #18bebe;
    background-color: #dfdfdf;
    text-align: center;
    color: #18bebe;
}
.main-left ul{
    margin-left: 55px;
}
.left-li{
    font-size: 16px;
    font-weight: bold;
    padding: 5px 0;
}
.main-left ul:not(.left-first){
    margin-top: 20px;
}
.main-left a:not(.user){
    font-size: 14px;
    color: #484848;
    margin: 17px;
}
.user:hover{
    color: #F9BF50;
}
.main-left .other:hover{
    color: #F9BF50;
}
.main-left span{
        display: inline-block;
        width: 11px;
        height: 11px;
        background: url(../img/open.png) no-repeat center center;
}

.last{
    background-color: #515151;
    height: 250px;
    margin-top: 20px;
}
.last-width{
    width: 1000px;
    height: 200px;
    margin-right: auto;
    margin-left: auto;
    position: relative;
}
.last-code{
    margin-left: 10px;
    position: relative;
}
.last-code-img{
    width: 150px;
    height: 50px;
    position: absolute;
    top: 60px;
}

.last-code-text1{
    color: #ffffff;
    height: 30px;
    line-height: 30px;
    position: absolute;
    top: 106px;
}
.last-code-text2{
    color: #dbdbdb;
    height: 20px;
    line-height: 20px;
    position: absolute;
    top: 140px;
}
.last-code-text3{
    color: #dbdbdb;
    height: 20px;
    line-height: 20px;
    position: absolute;
    top: 160px;
}
.last-list1
{
    position: absolute;
    line-height: 30px;
    top: 80px;
    right: 330px;
}
.last-list2
{
    position: absolute;
    line-height: 30px;
    top: 80px;
    right: 200px;
}
.last-list3
{
    position: absolute;
    line-height: 30px;
    top: 80px;
    right: 10px;
}
.last-width li{
    color: #dbdbdb;
}